History of Diamond Grading in Australia

Blogs & News

Explore DCLA’s legacy as Australia’s leading diamond authority. Learn our history, meet the founders, and discover our unmatched grading expertise.

$25.6m Jadeite Necklace
$25.6m Jadeite Necklace Just Misses World Record

A green jadeite necklace sold for HKD 200.2 million ($25.6 million) at Christie's Hong Kong, narrowly missing[…]

BR-05 36mm Blue Diamond Eagle
Bell & Ross Takes Flight with the New BR-05 36mm Blue Diamond Eagle

Swiss watchmaker Bell & Ross has launched the striking new BR-05 36mm Blue Diamond Eagle, combining aviation[…]

Why Shape Drives Price Differences
Diamond Shapes and the Impact of Rough Recovery on Pricing

In the diamond industry, shape is far more than an aesthetic choice. It plays a direct role[…]

A Harry Winston ring centering a cushion-cut, 7.08-carat Colombian emerald
30.20ct Fancy Intense Yellow Diamond to Headline Bonhams New York Auction

This ring features a cushion-cut, 8.23-carat, faint-pink, internally flawless diamond

What Determines Pearl Value Overall
Types of Pearls and Their Different Values

Pearls have fascinated jewellers and collectors for centuries, not only for their natural beauty but also for[…]

(left) the Azure Blue and (right) 5.04-carat fancy vivid blue.
DCLA News of the Day

Two Exceptional Blue Diamonds Headline Christie’s New York Auction

Gem Diamonds 140 carat rough
Gem Diamonds’ Large Stone Recoveries Lift Quarterly Revenue

reported quarterly revenue of US$32.1 million for the period ending 31 March 2026, supported by the continued[…]

Botswana and Angola Governments Join WFDB
Botswana and Angola Governments Join WFDB as Industry Seeks Closer Producer Links

The governments of Botswana and Angola have officially become affiliated members of the World Federation of Diamond[…]

India Hikes Gold Tariff from 6% to 15%
India Hikes Gold Tariff from 6% to 15%

India has more than doubled tariffs on gold and silver - up from 6% to 15% -[…]

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